70 



TWIG-BEETLES. 



Fig. 77.— Amphicerus bicaudatus, Say. After Division of Entomology. U. S. 

 Department of Agriculture. 



mer months, and cause the invaded twigs to die ; as a general 

 rule, however, the heetles leave their burrows during the summer. 

 They now deposit their eggs in the dead or dying roots of the 

 "greenbrier" (Smilcix spec.), or in the dead shoots of the grape. 

 The larvae, well illustrated in the figure, as well as the pupae, 

 remain in such places until the full-fledged beetle is formed. The 

 insects are not common enough to cause serious damage. Twigs 

 containing their burrows should be promptly removed and burned, 

 and no greenbriers, a bad weed at the best, should be permitted to 

 grow near orchards. Wild grape-vines, if harboring such beetles 

 in larger numbers, should also be removed. 



THE RED-SHOULDERED SINOXYLON. 



(Sinoxyloii basilare Say). 



This beetle, closely related to the one just mentioned, is 

 found in our state, but is rather uncommon. It is about one- 



